http://e-repository.perpus.iainsalatiga.ac.id/11657
http://e-repository.perpus.iainsalatiga.ac.id/13007
http://e-repository.perpus.iainsalatiga.ac.id/13683
http://e-repository.perpus.iainsalatiga.ac.id/13702
http://e-repository.perpus.iainsalatiga.ac.id/13919
http://e-repository.perpus.iainsalatiga.ac.id/14687